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axArT <br />' ~ • cle.r creek co. <br />9-77, AFA <br />,•~: <br />' ~ 105--Hoa~row Area -Gravel. Cobbly and Sandy Boil .Cold <br />This unit consists of Ladeoape that has been altered through <br />gravel and nand excavations and leveling. The material e~osed oa <br />' the cut floor are cobb~jr~ gravelly and sandy. The depth of out varies <br />from 5 to 40 feet or more. Tne floors of these borrov arena are usually <br />nearly level to gently sloping. The sideslapas are steep to nearly <br />vertical a~ are eaailp eroded. 8oi1 material are neutral to mildly <br />' alkaline. <br />Average annual prscipitatio$ is 19 to 22 iaohes, mean annual air <br />temperature ranges from 41 to 43 t., frost free season is less than <br />75 d++Ys sad elvations era ?600 to 9600 feet. <br />Yegetation oaa ba established and maintairud by bsakfilliag tirith <br />' tine textured soil to inoraaae •vaiLbl xater holAing oapaaity sad <br />to provide a seed bed. Bide slopes ^hould also ba graded <br /> <br />~. <br />afr' <br /> <br /> <br /> <br />_. <br /> <br />1 <br />,~~``- <br />~~ <br /> <br />